“约定的”造句

约定的日期没到，你不能把钱要回去。
You cannot ask for your money back before the agreed date.

这个排向事先约定的沙漠中的会合点进发.
The platoon made its way to the pre - arranged rendezvous in the desert.

在约定的信号发出时,他们投入了战斗.
They went into action at a given signal.